MIAMI (CBS4) – With Christmas just twelve days away, shoppers are making a final push to not only buy the perfect present, but also get it where it needs to go. The result is shippers expect big business this holiday season.

“I feel like Santa this time of year; everyone’s glad to see me,” said FedEx Courier Luis Mendoza.

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Memphis-based FedEx Corporation said that Monday should be the busiest shipping day in the company’s history. The company said nearly 16 million packages will be moved around the world on Monday.

The 16 million packages are 13 percent higher than the busiest day last year, and double the volume that FedEx typically handles each day.

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FedEx said that from Thanksgiving to Christmas, more than 223 million packages will be moved around the world, translating to 86 package deliveries per second.

“Put as much as you can, phone number, correct address, make sure you have the right zip code, very important,” Mendoza said about what customers need to do. “Sometimes in a building, they just put a name without the company name, or suite number, making it harder to find the person.”

But FedEx isn’t alone in the shipping wars. The United States Postal Service said that one week from today will be their busiest mailing day when 800 million cards, letters, and packages are expected to be sent on December 20.

UPS also said it was planning on delivering 24 million packages worldwide on December 22.

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The majority of the volume of shipments comes from online retailers and catalog sales. According to the National Retail Federation online shopping is up 79% as more and more consumers, enticed with free shipping offers, check off their guest lists by shopping online.